适用对象：
MongoDB vCore
运算符 $gte 用于筛选字段的值大于或等于指定值的文档。 运算符 $gte 用于检索满足字段值的最小阈值的文档，或查找字段值范围内的记录。
语法
使用运算符的 $gte 语法为：
{ "field": { "$gte": value } }
参数
| 参数 | DESCRIPTION |
|---|---|
field |
要比较的文档中的字段 |
value |
该字段应大于的值 |
例子
请查看 StoreData 数据库中 stores 集合的这个示例文档。
{
"_id": "0fcc0bf0-ed18-4ab8-b558-9848e18058f4",
"name": "First Up Consultants | Beverage Shop - Satterfieldmouth",
"location": {
"lat": -89.2384,
"lon": -46.4012
},
"staff": {
"totalStaff": {
"fullTime": 8,
"partTime": 20
}
},
"sales": {
"totalSales": 75670,
"salesByCategory": [
{
"categoryName": "Wine Accessories",
"totalSales": 34440
},
{
"categoryName": "Bitters",
"totalSales": 39496
},
{
"categoryName": "Rum",
"totalSales": 1734
}
]
},
"promotionEvents": [
{
"eventName": "Unbeatable Bargain Bash",
"promotionalDates": {
"startDate": {
"Year": 2024,
"Month": 6,
"Day": 23
},
"endDate": {
"Year": 2024,
"Month": 7,
"Day": 2
}
},
"discounts": [
{
"categoryName": "Whiskey",
"discountPercentage": 7
},
{
"categoryName": "Bitters",
"discountPercentage": 15
},
{
"categoryName": "Brandy",
"discountPercentage": 8
},
{
"categoryName": "Sports Drinks",
"discountPercentage": 22
},
{
"categoryName": "Vodka",
"discountPercentage": 19
}
]
},
{
"eventName": "Steal of a Deal Days",
"promotionalDates": {
"startDate": {
"Year": 2024,
"Month": 9,
"Day": 21
},
"endDate": {
"Year": 2024,
"Month": 9,
"Day": 29
}
},
"discounts": [
{
"categoryName": "Organic Wine",
"discountPercentage": 19
},
{
"categoryName": "White Wine",
"discountPercentage": 20
},
{
"categoryName": "Sparkling Wine",
"discountPercentage": 19
},
{
"categoryName": "Whiskey",
"discountPercentage": 17
},
{
"categoryName": "Vodka",
"discountPercentage": 23
}
]
}
]
}
示例 1：检索总销售额大于或等于 $35,000 的所有商店
db.stores.find({ "sales.totalSales": { "$gte": 35000 } },{"name": 1, "sales.totalSales": 1}, {"limit": 1})
这会返回以下结果：
{
"_id": "2cf3f885-9962-4b67-a172-aa9039e9ae2f",
"name": "First Up Consultants | Bed and Bath Center - South Amir",
"sales": { "totalSales": 37701 }
}
示例 2：查找具有 12 名或更多全职员工的商店
db.stores.find({ "staff.totalStaff.fullTime": { "$gte": 12 } },{"name": 1, "staff.totalStaff.fullTime": 1}, {"limit": 1})
这会返回以下结果：
{
"_id": "2cf3f885-9962-4b67-a172-aa9039e9ae2f",
"name": "First Up Consultants | Bed and Bath Center - South Amir",
"staff": { "totalStaff": { "fullTime": 18 } }
}
示例 3：查找镜像折扣百分比大于或等于 15% 的促销活动
db.stores.find({ "promotionEvents.discounts": { "$elemMatch": { "categoryName": "Laptops", "discountPercentage": { "$gte": 15 } } } }, {"name": 1}, {"limit": 2})
这会返回以下结果：
[
{
"_id": "60e43617-8d99-4817-b1d6-614b4a55c71e",
"name": "Wide World Importers | Electronics Emporium - North Ayanashire"
},
{
"_id": "3c441d5a-c9ad-47f4-9abc-ac269ded44ff",
"name": "Contoso, Ltd. | Electronics Corner - New Kiera"
}
]